public bool RegisterUser(RegisterUserModel model)
{
if (Task3Repo.GetUsers().Any(u => u.Username == model.Username))
{
return(false);
}
string passHash = ComputeSha256Hash(model.Password);
User newUser = new User(model.Username, passHash);
Task3Repo.AddUser(newUser);
return(true);
}
public User SignIn(string username, string password)
{
string passHash = ComputeSha256Hash(password);
List <User> users = Task3Repo.GetUsers().ToList();
User user = users.FirstOrDefault(u => u.Username == username && u.PassHash == passHash);
if (user == null)
{
return(null);
}
users.ForEach(u => u.IsLoggedIn = false);
user.IsLoggedIn = true;
return(user);
}
public User GetCurrentUser()
{
return(Task3Repo.GetUsers().FirstOrDefault(u => u.IsLoggedIn));
}
public IReadOnlyCollection <User> GetUsers()
{
return(Task3Repo.GetUsers());
}